CN215797995U

CN215797995U - Novel double-beam crane

Info

Publication number: CN215797995U
Application number: CN202122278799.9U
Authority: CN
Inventors: 王超琦; 高崇帅; 李利伟
Original assignee: Henan Lifute Hoisting And Conveying Machinery Co ltd
Current assignee: Henan Lifute Hoisting And Conveying Machinery Co ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-02-11
Anticipated expiration: 2031-09-18

Abstract

The utility model discloses a novel double-beam crane which comprises two end beams, wherein two main beams which are parallel and arranged at intervals are fixedly connected between the two end beams, trolley tracks are fixedly connected to the tops of the two main beams along the span direction of the two main beams, a trolley mechanism is arranged between the two trolley tracks, cart wheels are mounted at the bottoms of the end beams, a driving side walking board is fixedly connected to the outer side wall of one main beam, cart driving mechanisms for driving the cart wheels to run are mounted at the two ends of the top of the driving side walking board, and a cab is fixedly connected to one side of the bottom of the driving side walking board. According to the utility model, the main beam side walking platform is arranged on one side of one main beam, and the walking platform is cancelled on the other main beam, so that the investment of steel is reduced, and the weight of the whole machine is reduced, and the wheel pressure of each cart wheel is reduced to a certain extent.

Description

Novel double-beam crane

Technical Field

The utility model relates to the technical field of hoisting machinery, in particular to a novel double-beam crane.

Background

The double-beam crane has wide market prospect, the weight of the whole double-beam crane on the current market is large, the crane body is wide, the two sides of the main beam are respectively provided with one to be arranged along the span direction of the main beam, the platform is arranged to be convenient for maintenance of equipment, but the weight of the whole crane is further increased, so that the wheel pressure of the cart wheels is increased, and the requirement of a plurality of new plants cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model provides a novel double-beam crane, which aims to solve the problems of large overall weight and large wheel pressure of the conventional double-beam crane.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows: the utility model provides a novel double-beam crane, includes two interval and parallel arrangement's end beam, two girder that parallel and interval set up of fixedly connected with between two end beams, two girder tops are along the equal fixedly connected with dolly track of its span direction, two dolly tracks between be provided with dolly mechanism, dolly mechanism passes through the tow chain power supply, the cart wheel is installed to the end beam bottom, fixedly connected with initiative side walking board on the lateral wall of one of them girder, the cart actuating mechanism who is used for driving cart wheel operation is all installed at the both ends at initiative side walking board top, one side fixedly connected with driver's cabin of initiative side walking board bottom.

Preferably, one side of the trolley mechanism close to the driving side walking board is fixedly connected with a tow chain column, a tow chain is fixedly connected onto the tow chain column, one side of the top of the driving side walking board close to the trolley mechanism is provided with a tow chain groove matched with the tow chain, and the tow chain groove is arranged along the span direction of the driving side walking board.

Preferably, the outer side wall of the driving side walking platform is fixedly connected with a maintenance rotating platform, and the cab is communicated with the maintenance rotating platform through a stair.

Preferably, the cart wheels at the bottom of each end beam are four in number, two of the cart wheels are located at two ends of the bottom of the end beam, and the other two cart wheels are located in the middle of the bottom of the end beam and are arranged at intervals.

Preferably, install the seat in the driver's cabin, buffer is installed to the seat bottom, buffer include that inside is the installation piece of cavity structure, the installation piece is located the driver's cabin bottom plate of seat below, the cushion column of the vertical setting of seat bottom fixedly connected with, the lower part of cushion column is passed the installation piece and is extended to in the installation piece, sliding connection has the connecting plate that the level set up in the installation piece, the cushion column bottom fixed connection that is located the installation piece is at the connecting plate top, the cover is equipped with compression spring on the cushion column between installation piece and the seat, compression spring's one end fixed connection is in the seat bottom, compression spring's other end fixed connection is at the installation piece top.

Preferably, the fixed plate that the level set up is connected to fixed connection in the installation piece of connecting plate below, connecting plate bottom fixedly connected with toper piece, the guide block of the vertical setting of toper piece bottom fixedly connected with, set up the slide opening with the fixed plate looks adaptation on the guide block along its length, the fixed plate passes slide opening and its sliding connection in the slide opening, the bottom fixed connection of guide block is on the diapire in the installation piece, the cover is equipped with buffer spring on the guide block between toper piece and the connecting plate, buffer spring's one end fixed connection is on the toper piece, buffer spring's other end fixed connection is at the fixed plate top.

The utility model has the following beneficial effects: (1) according to the utility model, the main beam side walking platform is arranged on one side of one main beam, and the walking platform is cancelled on the other main beam, so that on one hand, the investment of steel is reduced, and further the weight of the whole machine is reduced, on the other hand, the weight of the whole machine is reduced by cancelling the arrangement of the side walking platform, and further the wheel pressure of each cart wheel is reduced to a certain extent; (2) the cart running mechanism is arranged on the main beam side walking platform, so that a worker can directly reach the main beam side walking platform through a stair to maintain and repair the cart running mechanism, the cart running mechanism is prevented from penetrating through the end beam to reach the other side walking platform to be maintained, and the safety of the worker is guaranteed; (3) the trolley mechanism is driven by the drag chain, so that the service life of a power supply pipeline is prolonged, and the safety and reliability of a power supply system are improved; (4) the eight cart wheels are arranged, so that the wheel pressure born by each cart wheel is reduced, and the requirements of customers are met; (5) the buffering device is arranged below the seat, so that a certain buffering effect is achieved on a driver, and the safety of the driver is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of the present FIG. 1;

FIG. 3 is a side view of FIG. 1;

FIG. 4 is a schematic view of the connection between the seat and the cushion device of the present invention;

fig. 5 is a schematic view of the connection relationship between the fixing plate and the guide block of the present invention.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

A novel double-beam crane is shown in figures 1-3, and comprises two end beams 1 which are arranged in parallel at intervals, two main beams 2 which are arranged in parallel and at intervals are fixedly connected between the two end beams 1, trolley tracks 3 are fixedly connected to the tops of the two main beams 2 along the span direction, the main beams 2 adopt an off-track structure, the trolley tracks 3 are made of square steel, a trolley mechanism 4 is arranged between the two trolley tracks 3, the trolley mechanism 4 is powered by a drag chain 11, cart wheels 5 are arranged at the bottom of the end beam 1, the cart wheels 5 are in rolling contact with I-shaped steel rails 28 arranged in a workshop, the outer side wall of one of the main beams 2 is fixedly connected with a driving side walking platform 6, and the outer side wall of the other main beam 2 is omitted, so that on one hand, the occupied space of the walking platform is reduced, and the running range of the crane is improved; on the other hand, the arrangement of the side-taking walking platform also reduces the investment of steel materials, further reduces the weight of the whole machine, simultaneously reduces the cost, and in addition, the wheel pressure of each cart wheel 5 is also reduced to a certain extent. The cart actuating mechanism 7 that is used for driving cart wheel 5 operation is all installed at the both ends at 6 tops of initiative side walking board, and cart actuating mechanism 7 includes motor, shaft coupling and speed reducer, and the output shaft of motor passes through the shaft coupling to be connected with the speed reducer transmission, and the speed reducer is connected with cart wheel 5 transmission (here for prior art here no longer describe, not shown in the figure), and one side fixedly connected with driver's cabin 8 of 6 bottoms of initiative side walking board. Because the cart running mechanism needs to be maintained frequently, the cart driving mechanism 7 is arranged on the driving side walking platform 6, so that the cart driving mechanism 7 can be maintained conveniently, the dangerous operation of passing through the end beam 1 to reach the other side of the driving side walking platform 6 to maintain the cart driving mechanism is avoided, and the safety of maintenance personnel is ensured. In addition, the trolley mechanism 4, the cart mechanism and the cart running mechanism used in the arrangement mode are the same as those of the original crane, and corresponding production is not needed to be carried out independently, so that the cost of corresponding matching parts is not increased.

Further, dolly mechanism 4 includes dolly frame 9, and dolly frame 9 is close to one side fixedly connected with tow chain post 10 of driving side walking board 6, and fixedly connected with tow chain 11 on the tow chain post 10, driving side walk one side that 6 tops of board are close to dolly frame 9 and offer the tow chain groove 12 with 11 looks adaptations of tow chain, and tow chain groove 12 is walked 6 span direction settings along the driving side. Because the trolley is powered by the drag chain 11 and the drag chain 11 is arranged on the driving side walking platform 6, the walking platform on the other side can be cancelled; meanwhile, the trolley mechanism 4 is powered through the drag chain 11, so that the service life of the pipeline is prolonged, and the safety and reliability are enhanced.

Furthermore, a maintenance rotary table 13 is fixedly connected to the outer side wall of the driving side walking platform 6, and the cab 8 is communicated with the maintenance rotary table 13 through a stair 14; the outside fixedly connected with railing 15 at the top of initiative side walking board 6, the outside also fixedly connected with railing 15 at end beam 1 top, the top of dolly frame 9 is connected with rainshelter 27 through the spliced pole. Through stair 14 be convenient for maintenance personal through stair 14 reach the initiative side walk on the platform 6, and the setting up of railing 15 has ensured maintenance personal's safety, and rainshelter 27 then reduces the damage of rainwater etc. to dolly mechanism 4, prolongs dolly mechanism 4's life.

Further, the total number of the cart wheels 5 of the crane with the lifting weight of 5-10t is four, and for the crane with the larger lifting weight, such as 16-50t, the cart wheels 5 at the bottom of each end beam 1 are four, wherein two cart wheels 5 are located at two ends of the bottom of the end beam 1, the cart wheels 5 located below the driving side walking platform 6 are in transmission connection with a speed reducer of a cart driving mechanism 7, the speed reducer is driven by a motor to rotate, the speed reducer drives the cart wheels 5 to rotate, the other two cart wheels 5 are located in the middle of the bottom of the end beam 1 and are arranged at intervals, and the two cart wheels 5 are symmetrically arranged about the symmetrical axis of the end beam 1. The cart wheel 5 that is connected with the speed reducer transmission drives the other three wheel rotation of homonymy to realize the operation of this hoist cart mechanism, simultaneously, all set up four cart wheels 5 through 1 bottoms at every end beam, whole hoist is provided with eight cart wheels 5 promptly, has increased cart wheel 5's quantity, and then has significantly reduced the wheel pressure of every cart wheel 5, can satisfy the requirement that reduces the wheel pressure that the customer required.

Further, as shown in fig. 4 and 5, the cab 8 includes a floor 16, a seat 17 is installed in the cab 8, a cushion device is installed at the bottom of the seat 17, buffer include inside installation piece 18 for the cavity structure, installation piece 18 fixed connection is on bottom plate 16 of seat 17 below, the perforation has been seted up at installation piece 18 top, the cushion column 19 of the vertical setting of seat 17 bottom fixedly connected with, the lower part of cushion column 19 is passed and is perforated and extend to in installation piece 18, cushion column 19 can slide along vertical direction in perforating, sliding connection has the connecting plate 20 that the level set up in installation piece 18, the cushion column 19 bottom fixed connection that is located in installation piece 18 is at the connecting plate 20 top, the cover is equipped with compression spring 21 on the cushion column 19 between installation piece 18 and the seat 17, compression spring 21's one end fixed connection is in seat 17 bottom, compression spring 21's other end fixed connection is at installation piece 18 top. When the cab 8 is vibrated due to various reasons during use, the connecting plate 20 slides along the inner wall of the mounting block 18, and the compression spring 21 is compressed or stretched, so that a certain buffering effect is achieved.

Further, a slide way is arranged in the mounting block 18, two ends of the connecting plate 20 are fixedly connected with slide blocks matched with the slide way, and the slide blocks are connected in the slide way in a sliding mode. The sliding between the connection plate 20 and the mounting block 18 is achieved by means of a slide and a slide.

Further, fixed plate 22 that the level set up is connected to fixed connection in the installation piece 18 of connecting plate 20 below, connecting plate 20 bottom fixedly connected with toper piece 23, the vertical guide block 24 that sets up of toper piece 23 bottom fixedly connected with, the last slide opening 25 with fixed plate 22 looks adaptation of offering of guide block 24 along its length, the height that slide opening 25 is higher than fixed plate 22, fixed plate 22 passes slide opening 25 and its sliding connection in slide opening 25, the bottom fixed connection of guide block 24 is on the diapire in installation piece 18, the cover is equipped with buffer spring 26 on the guide block 24 between toper piece 23 and the connecting plate 20, buffer spring 26's one end fixed connection is on toper piece 23, buffer spring 26's other end fixed connection is at fixed plate 22 top. When the cab 8 is vibrated, the fixed plate 22 moves along the slide hole 25, so that the buffer spring 26 is compressed or stretched, and the fixed plate 22 is reset under the action of the buffer spring 26, thereby further achieving a buffering effect.

The above embodiments are not intended to limit the shape, material, structure, etc. of the present invention in any way, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a novel two roof beam cranes, includes two interval and parallel arrangement's end beam, two parallel and interval setting's of fixedly connected with girder, its characterized in that between two end beams: the two girder tops are respectively fixedly connected with a trolley track along the span direction, a trolley mechanism is arranged between the two trolley tracks, the trolley mechanism is powered by a drag chain, cart wheels are installed at the bottoms of the end beams, a driving side walking board is fixedly connected to the outer side wall of one girder, cart driving mechanisms used for driving the cart wheels to run are installed at the two ends of the top of the driving side walking board, and a cab is fixedly connected to one side of the bottom of the driving side walking board.

2. The novel double-beam crane according to claim 1, characterized in that: one side fixedly connected with tow chain post that dolly mechanism is close to the initiative side and walks the platform, fixedly connected with tow chain on the tow chain post, the initiative side walk the one side of platform top portion near dolly mechanism and offer the tow chain groove with tow chain looks adaptation, the tow chain groove is walked the platform span direction along the initiative side and is set up.

3. The novel double-beam crane according to claim 1, characterized in that: the outer side wall of the driving side walking platform is fixedly connected with a maintenance rotating platform, and the cab is communicated with the maintenance rotating platform through a stair.

4. The novel double-beam crane according to claim 1, characterized in that: the cart wheels at the bottom of each end beam are four in number, wherein two cart wheels are positioned at two ends of the bottom of the end beam, and the other two cart wheels are positioned in the middle of the bottom of the end beam and are arranged at intervals.

5. The novel double-beam crane according to claim 1, characterized in that: install the seat in the driver's cabin, buffer is installed to the seat bottom, buffer include that inside is the installation piece of cavity structure, the installation piece is located the driver's cabin bottom plate of seat below, the cushion column of the vertical setting of seat bottom fixedly connected with, the lower part of cushion column passes the installation piece and extends to in the installation piece, sliding connection has the connecting plate that the level set up in the installation piece, the cushion column bottom fixed connection that is located the installation piece is at the connecting plate top, the cover is equipped with compression spring on the cushion column between installation piece and the seat, compression spring's one end fixed connection is in the seat bottom, compression spring's other end fixed connection is at the installation piece top.

6. The novel double-beam crane according to claim 5, wherein: the fixed plate that the level set up is fixedly connected with in the installation piece of connecting plate below, connecting plate bottom fixedly connected with toper piece, the guide block of the vertical setting of toper piece bottom fixedly connected with, set up the slide opening with the fixed plate looks adaptation on the guide block along its length, the fixed plate passes slide opening and its sliding connection in the slide opening, the bottom fixed connection of guide block is on the diapire in the installation piece, the cover is equipped with buffer spring on the guide block between toper piece and the connecting plate, buffer spring's one end fixed connection is on the toper piece, buffer spring's other end fixed connection is at the fixed plate top.